1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
// Copyright 2019 Oath Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/datastore/unique_store.hpp>
#include <vespa/vespalib/datastore/unique_store_dictionary.hpp>
#include <vespa/vespalib/gtest/gtest.h>
#include <vespa/log/log.h>
LOG_SETUP("unique_store_dictionary_test");
using namespace vespalib::datastore;
using namespace vespalib::datastore::uniquestore;
class Comparator : public EntryComparator {
private:
EntryRef _to_find;
EntryRef resolve(EntryRef ref) const {
if (ref == EntryRef()) {
return _to_find;
}
return ref;
}
public:
Comparator(uint32_t to_find)
: _to_find(to_find)
{}
bool operator()(const EntryRef lhs, const EntryRef rhs) const override {
return resolve(lhs).ref() < resolve(rhs).ref();
}
};
struct DictionaryReadTest : public ::testing::Test {
DefaultUniqueStoreDictionary dict;
IUniqueStoreDictionary::ReadSnapshot::UP snapshot;
DictionaryReadTest()
: dict(),
snapshot()
{
}
DictionaryReadTest& add(uint32_t value) {
auto result = dict.add(Comparator(value), [=]() { return EntryRef(value); });
assert(result.inserted());
return *this;
}
void take_snapshot() {
dict.freeze();
snapshot = dict.get_read_snapshot();
}
};
TEST_F(DictionaryReadTest, can_count_occurrences_of_a_key)
{
add(3).add(5).take_snapshot();
EXPECT_EQ(0, snapshot->count(Comparator(2)));
EXPECT_EQ(1, snapshot->count(Comparator(3)));
EXPECT_EQ(0, snapshot->count(Comparator(4)));
EXPECT_EQ(1, snapshot->count(Comparator(5)));
}
TEST_F(DictionaryReadTest, can_count_occurrences_of_keys_in_a_range)
{
add(3).add(5).add(7).add(9).take_snapshot();
EXPECT_EQ(1, snapshot->count_in_range(Comparator(3), Comparator(3)));
EXPECT_EQ(1, snapshot->count_in_range(Comparator(3), Comparator(4)));
EXPECT_EQ(2, snapshot->count_in_range(Comparator(3), Comparator(5)));
EXPECT_EQ(3, snapshot->count_in_range(Comparator(3), Comparator(7)));
EXPECT_EQ(4, snapshot->count_in_range(Comparator(3), Comparator(9)));
EXPECT_EQ(4, snapshot->count_in_range(Comparator(3), Comparator(10)));
EXPECT_EQ(0, snapshot->count_in_range(Comparator(5), Comparator(3)));
}
TEST_F(DictionaryReadTest, can_iterate_all_keys)
{
using EntryRefVector = std::vector<EntryRef>;
add(3).add(5).add(7).take_snapshot();
EntryRefVector refs;
snapshot->foreach_key([&](EntryRef ref){ refs.emplace_back(ref); });
EXPECT_EQ(EntryRefVector({EntryRef(3), EntryRef(5), EntryRef(7)}), refs);
}
GTEST_MAIN_RUN_ALL_TESTS()
|
